Search Results
Results 1 - 50 of 1043
1 2 3 4 5 6 7 8 9 10 >
Hartel, Tibor
We analysed the spatial and temporal variation of breeding habitat availability and use by a yellow-bellied toad population in a mixed deciduous forest between 2003-2005. During this period, the number of temporary ponds was highly variable. Toads tended to exploit newly created breeding habitats or those of which hydroperiod increased ...
BlinstrubienÄ—, Aušra
Linseed flax studies in vitro were carried out at the Laboratory of Genetic – Biotechnological, Department of Crop Science and Animal Husbandry of Lithuanian University of Agriculture in 2002-2005, photomorphogenetic processes were investigated at the Laboratory of Plant Physiology of the Lithuanian Institute of Horticulture in 2004-2005. Optimal conditions for ...
Wojtczak Magdalena M Department of Psychology, University of Minnesota, N218 Elliott Hall, 75 East River Rd., Minneapolis, MN, 55455, USA, - - 2014
Several studies have postulated that psychoacoustic measures of auditory perception are influenced by efferent-induced changes in cochlear responses, but these postulations have generally remained untested. This study measured the effect of stimulus phase curvature and temporal envelope modulation on the medial olivocochlear reflex (MOCR) and on the middle-ear muscle reflex ...
Kurbel Sven - - 2014
Considering evolution of terrestrial animals as something happening only on flat continental plains seems wrong. Many mountains have arisen and disappeared over the geologic time scale, so in all periods some areas of high altitude existed, with reduced oxygen pressure (pO2) and increased aridity. During orogeny, animal species of the ...
McLean C A CA Department of Zoology, The University of Melbourne, Parkville, Vic., Australia; Sciences Department, Museum Victoria, Carlton Gardens, Vic., - - 2014
Population differences in visual environment can lead to divergence in multiple components of animal coloration including signalling traits and colour patterns important for camouflage. Divergence may reflect selection imposed by different receivers (conspecifics, predators), which depends in turn on the location of the colour patch. We tested for local adaptation ...
Biedermann Thomas T Tissue Biology Research Unit, University Children's Hospital Zurich, Zurich, - - 2014
Transplantation of pigmented tissue-engineered human autologous skin substitutes represents a promising procedure to cover skin defects. We have already demonstrated that we can restore the patient's native light or dark skin color by adding melanocytes to our dermo-epidermal skin analogs. In this long-term study, we investigated if melanocytes in our ...
Ghahramani Zachary N ZN http://orcid.org/0000-0002-4136-7832 Brooklyn College, City University of New York; Virginia Commonwealth University, - - 2014
Blue catfish Ictalurus furcatus Lesueur, the largest catfish in North America, produces pectoral stridulation sounds (distress calls) when attacked and held. They have both fish and bird predators, and the frequency spectrum of their sounds is better matched to hearing of birds than to that of unspecialized fish predators with ...
Hashimoto Hideki - - 2014
Inspired by the traditional Japanese pigment Fukiya bengala, nanocomposite materials were synthesized using a polymer complex method, comprising Al-substituted α-Fe2O3 (hematite) particles with diameters ranging from 40 to 100 nm and ultrafine Fe-substituted α-Al2O3 (corundum) particles smaller than 10 nm in diameter. The obtained powders exhibited vivid yellowish red color ...
Li H Y HY Department of Otolaryngology, Sleep Center, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan; Department of Sleep Medicine, Royal Infirmary Edinburgh, - - 2014
To investigate objective changes of snoring after surgery in patients with obstructive sleep apnoea (OSA) and correlate these with changes in the apnoea-hypopnoea index (AHI). Prospective case series. A novel measurement, Snore Map, was used to analyze full-night snore sounds in terms of the maximal/mean intensity, peak/mean frequency, snoring index, ...
Rowland Edward E Department of Psychology, Royal Holloway, University of London, Egham Hill, Egham, Surrey, TW20 0EX. Electronic address: - - 2014
Previous research finds that 20Hz temporal frequency (TF) adaptation causes a compression of perceived visual event duration. We investigate if this temporal compression affects further time-dependent percepts, implying a further functional role for duration perception mechanisms. We measure the effect of 20 Hz flicker adaptation on Flash-Lag, an illusion whereby ...
Chen Shyh-Chi SC Department of Biology, Queen's University, Kingston, ON K7L 3N6, Canada - - 2014
Migratory species experience morphological and physiological changes during transitions between different life stages. In particular, modification of sensory systems is critical for animals to adapt to new environments. For example, to prepare for entry into seawater, salmonids undergo smoltification with dramatic changes in ultraviolet photoreceptors and polarized vision, which are ...
Li Hui H From the Department of Oral and Maxillofacial Surgery, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, and Shanghai Key Laboratory of Stomatology, Shanghai, - - 2014
The aim of this study was to compare the disc positions and condylar changes induced by different stretching forces in the modified animal model for anterior disc displacement (ADD) of the temporomandibular joint. In the experimental group, 30 rabbits were equally divided into 3 subgroups and underwent surgical ADD via ...
Keller Sarah S Department of Chemistry, University of Basel, Spitalstrasse 51, CH4056 Basel, Switzerland. edwin.constable@unibas.ch - - 2014
Light-emitting electrochemical cells (LECs) containing [Cu(POP)(N^N)][PF6] (POP = bis(2-diphenylphosphinophenyl)ether, N^N = 6-methyl- or 6,6'-dimethyl-2,2'-bipyridine) exhibit luminance and efficiency surpassing previous copper(i)-containing LECs.
Tan Daniel W DW Louis Stokes Veterans Affairs Medical Center, Cleveland, OH 44106, USA. Case Western Reserve University, Cleveland, OH 44106, - - 2014
Touch perception on the fingers and hand is essential for fine motor control, contributes to our sense of self, allows for effective communication, and aids in our fundamental perception of the world. Despite increasingly sophisticated mechatronics, prosthetic devices still do not directly convey sensation back to their wearers. We show ...
Charaziak Karolina K KK The Roxelyn and Richard Pepper Department of Communication Sciences and Disorders, School of Communication, Northwestern University , Evanston , - - 2014
Objective: Otoacoustic emissions (OAEs) can provide useful measures of tuning of auditory filters. We previously established that stimulus-frequency (SF) OAE suppression tuning curves (STCs) reflect major features of behavioral tuning (psychophysical tuning curves, PTCs) in normally-hearing listeners. Here, we aim to evaluate whether SFOAE STCs reflect changes in PTC tuning ...
Rabin Ely E Department of Biomedical Sciences, New York Institute of Technology College of Osteopathic Medicine, Old Westbury, - - 2014
To determine whether haptic (touch and proprioception) cues from touching a moving handrail while walking can ameliorate Parkinson's disease gait symptoms such as slowness and small stride-length. Nonrandomized controlled before-after trial. Physical therapy clinic. Sixteen people with Parkinson's disease (PD) and 16 healthy age-matched control subjects with no neurological disorders ...
Inui Nobuyuki N a Laboratory of Human Motor Control, Naruto University of Education , - - 2014
ABSTRACT The authors examined whether the wrist and elbow were perceived as flexed when a stick was fixed to the hand while the joints were extended during anesthesia. Ten healthy participants lay on their back on a bed with their eyes closed, and a stick was fixed to their right ...
Tam Beatrice M BM University of British Columbia Department of Ophthalmology and Visual Sciences, Vancouver, British Columbia V5Z 3N9, - - 2014
Retinitis pigmentosa (RP) is an inherited neurodegenerative disease involving progressive vision loss, and is often linked to mutations in the rhodopsin gene. Mutations that abolish N-terminal glycosylation of rhodopsin (T4K and T17M) cause sector RP in which the inferior retina preferentially degenerates, possibly due to greater light exposure of this ...
Henderson E Elizabeth EE Scripps Institution of Oceanography, University of California San Diego, 9500 Gilman Drive, La Jolla, California - - 2014
Opportunistic observations of behavioral responses by delphinids to incidental mid-frequency active (MFA) sonar were recorded in the Southern California Bight from 2004 through 2008 using visual focal follows, static hydrophones, and autonomous recorders. Sound pressure levels were calculated between 2 and 8 kHz. Surface behavioral responses were observed in 26 groups ...
Golriz Samira S a School of Health Professions , Murdoch University , Perth , - - 2014
The purpose of this study was to assess the effects of hip belt use and load placement in a backpack on perceived exertion and postural stability. Thirty participants were instructed to stand on a force plate and walk along a designated route under five conditions: unloaded, high-load placement, low-load placement, ...
Hachiga Yosuke Y Keio - - 2014
Eight rats responded on concurrent Variable-Ratio 20 Extinction schedules for food reinforcement. The assignment of variable-ratio reinforcement to a left or right lever varied randomly following each reinforcer, and was cued by illumination of a stimulus light above that lever. Postreinforcement preference levels decreased substantially and reliably over time when ...
Ibáñez-Gimeno Pere P Unitat d'Antropologia Biològica, Departament de Biologia Animal, Biologia Vegetal i Ecologia, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Catalonia, Spain. Electronic address: - - 2014
The greatly diversified locomotor behaviors in the Hominoidea impose different mechanical requirements in the upper limb of each species. As forearm rotation has a major role in locomotion, the skeletal structures involved in this movement may display differences among taxa that reflect functional adaptations. To test this, we use a ...
Jagnandan Kevin K University of California, Riverside, USA; - - 2014
Animals undergo significant weight change due to a variety of causes. Autotomy, the voluntary shedding of an appendage in response to a predator stimulus, provides an effective model for measuring the effects of rapid weight change on locomotor behavior and the responses to more gradual weight gain, particularly in lizards ...
Shimojo Hirofumi H Graduate School of Comprehensive Human Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8574, Japan. Electronic address: - - 2014
Undulatory underwater swimming (UUS) is an important swimming technique after a start and after turns. It was considered that a higher swimming velocity (U) resulted from a higher kick frequency (f), and greater propelling efficiency, i.e., Strouhal number (St) and Froude efficiency (ηF), resulted from a lower f. The aim ...
Watson A C AC University of Rhode Island, Graduate School of Oceanography, Narragansett, RI, 02882, - - 2014
This field study describes the camouflage pattern repertoire, associated behaviours and speed of pattern change of Nassau groupers Epinephelus striatus at Little Cayman Island, British West Indies. Three basic camouflaged body patterns were observed under natural conditions and characterized quantitatively. The mean speed of pattern change across the entire body ...
Sakuma Kaoru - - 2014
The abnormal synergy seen in patients after stroke is considered to limit the ability of these patients. However, in the lower extremity, antigravity torque generation rather than precise movement is needed for functions such as sit-to-stand movement and gait. Therefore, the ability to generate torque may be important either as ...
Latimer Kevin K School of Psychology, Queen's University - - 2014
Previous research has shown that prior adaptation to a spatially circumscribed, oscillating grating results in the duration of a subsequent stimulus briefly presented within the adapted region being underestimated. There is an on-going debate about where in the motion processing pathway the adaptation underlying this distortion of sub-second duration perception ...
Yu W W College of Life Sciences, Guangzhou University, Guangzhou, China; Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing, - - 2014
Bats are a unique mammalian group, which belong to one of the largest and most diverse mammalian radiations, but their early diversification is still poorly understood, and conflicting hypotheses have emerged regarding their biogeographic history. Understanding their diversification is crucial for untangling the enigmatic evolutionary history of bats. In this ...
Hamann Nina N Institute of Biomechanics and Orthopaedics, German Sport University Cologne, Am Sportpark Müngersdorf 6, 50933 Cologne, Germany. Electronic address: - - 2014
Thumb orthoses have to reconcile and satisfy competing goals: stability and mobility. The purpose of the study was to characterize the stabilization effectiveness and functionality of different thumb carpometacarpal osteoarthritis orthoses. Eighteen female carpometacarpal osteoarthritis subjects were included. Four orthoses were compared: BSN medical (BSN); Push braces (PUSH); Sporlastic (SPOR); ...
Mille Marie-Laure ML Université de - - 2014
The initiation of human walking involves postural motor actions for body orientation and balance stabilization which must be effectively integrated with locomotion to allow safe and efficient transport. Our ability to coordinately adapt these functions to environmental or bodily changes through error-based motor learning is essential to effective performance. Predictive ...
Sidorkewicz Natalie N From the Spine Biomechanics Laboratory, Department of Kinesiology, University of Waterloo, Waterloo, Ontario, - - 2014
Repeated measures design. To describe male spine movement and posture characteristics during coitus and compare these characteristics across 5 common coital positions. Exacerbation of pain during coitus due to coital movements and positions is a prevalent issue reported by low back pain patients. A biomechanical analysis of spine movements and ...
Kim Su Jin - - 2014
This paper reports improvements in the electrical and optical properties of blue-emission gallium nitride (GaN)-based thin-film light-emitting diodes (TFLEDs) after laser-based Si doping (LBSD) of a nitrogen-face n-GaN (denoted as hereafter n-GaN) layer. Experimental results show that the light-output powers of the flat- and rough-surface TFLEDs after LBSD are 52.1% ...
Singer Jonathan - - 2014
Lower limb spasticity is a common sensorimotor consequence post-stroke, which further complicates stability control by altering the temporal relationship between individual-limb centre of pressure (COP) displacements. The present work employed the discrete wavelet transform to better understand the influence of lower limb spasticity on the control of standing balance, which ...
Ezra-Elia Raaya R Koret School of Veterinary Medicine, Hebrew University of Jerusalem, PO Box 12, 7610001, Rehovot, - - 2014
Recently we reported on day blindness in sheep caused by a mutation in the CNGA3 gene, thus making affected sheep a naturally occurring large animal model for therapeutic intervention in CNGA3 achromatopsia patients. The purpose of this study was to characterize flicker cone function in normal and day blind sheep, ...
Kuling I A IA MOVE Research Institute Amsterdam, Faculty of Human Movement Sciences, VU University, Amsterdam, Van der Boechorststraat 9, 1081 BT, Amsterdam, The Netherlands, - - 2014
Because muscle torques counteracting gravity vary systematically during a movement of the arm, it has been suggested that torque differences that occur during a movement provide important information for judging the distance moved away from the body. To test this suggestion, we examined whether external vertical forces applied to the ...
Zein Wadih M WM Ophthalmic Genetics and Visual Function Branch, National Eye Insitute/NIH, 10 Center Drive, Room 10N226, Bethesda, Maryland, 20892, United - - 2014
Purpose: Ciliary neurotrophic factor (CNTF) protects rod photoreceptors from retinal degenerative disease in multiple non-human models. Thus far, CNTF has failed to demonstrate rod protection in trials for human retinitis pigmentosa. Recently, CNTF was found to improve cone photoreceptor function in a canine CNGB3 achromatopsia model. This study explores whether ...
Gérard A A Institut Méditerranéen de Biodiversité et d'Écologie marine et continentale (IMBE), Aix-Marseille Université, UMR CNRS, IRD, UAPV, Centre IRD Nouméa, BP A5, 98848, Nouméa Cedex, Nouvelle-Calédonie, France, - - 2014
The disproportionate impacts of invasive predators are often attributed to the naïveté (i.e., inefficient or non-existing anti-predator behavior) of island native species having evolved without such predators. Naïveté has long been regarded as a fixed characteristic, but a few recent studies indicate a capacity for behavioral adaptation in native species ...
Smith Beth A BA Infant Neuromotor Control Laboratory (B.A.S.), Division of Biokinesiology and Physical Therapy, University of Southern California, Los Angeles, California; Human Motion Analysis Laboratory (J.V.J.), Department of Rehabilitation and Movement Science, University of Vermont, Burlington, Vermont; and Balance Disorders Laboratory (F.B.H.), Department of Neurology, Oregon Health and Science University, and Portland Veterans Affairs Medical Center, Portland, - - 2014
Persons with Parkinson disease (PD) are unable to modify their postural responses, and show an associated increase in cortical preparatory activity for anticipated postural perturbations. In this study we asked whether participants with PD could modify their postural responses and cortical preparatory activity when cued to focus on increasing movement ...
Murray Andrew M AM sportscotland Institute of Sport, Stirling, - - 2014
To investigate the influence of scoreline, level of opposition and timing of substitutes on the activity profile of rugby sevens players and describe peak periods of activity. Velocity and distance data were measured via 10 Hz GPS from 17 international-level male rugby sevens players on 2-20 occasions over 4 tournaments ...
Singh Niraj Kumar NK Department of Audiology, All India Institute of Speech and Hearing, Mysore, Karnataka, - - 2014
Benign paroxysmal positional vertigo (BPPV) is a unilateral peripheral vestibular pathology, mostly involving the semicircular canals and the otolith organs. Although equivocal findings exist on the utility of cervical vestibular-evoked myogenic potential in identifying BPPV-associated changes in saccule, ocular vestibular-evoked myogenic potential (oVEMP), which is primarily a utricular response, has ...
Tarnutzer Alexander Andrea AA University Hospital Zurich - - 2014
The subjective visual vertical (SVV) indicates perceived direction of gravity. Even in healthy human subjects, roll-angle dependent misestimations - roll over-compensation (A-effect, head-roll>60°&<135°) and under-compensation (E-effect, head-roll<60°) - occur. Previously, we demonstrated that, after prolonged roll-tilt, SVV estimates when upright are biased towards the preceding roll position, which indicates that ...
Blache Y Y a Centre de Recherche et d'Innovation sur le Sport , Université Claude Bernard , Lyon , - - 2014
The purpose of this study was to determine the influence of seat height and foot position in the sagittal plane on L5-S1 joint load. Fourteen healthy male adults stood up from a chair with three different seat heights and positions of the feet in the sagittal plane. L5-S1 net joint ...
Xue Longjian - - 2014
Spatular terminals on gecko's toe pads play an important role in directional adhesion and friction required for reversible attachment. Inspired by gecko's toe pad design, we study friction of polydimethylsiloxane (PDMS) micropillars terminated with asymmetric (spatular shaped) overhangs. Friction forces in the direction of and against the spatular end were ...
Wang Ningyuan N Department of Psychology, University of Minnesota, Minneapolis, Minnesota - - 2014
Spectral contrast effects may help "normalize" the incoming sound and produce perceptual constancy in the face of the variable acoustics produced by different rooms, talkers, and backgrounds. Recent studies have concentrated on the after-effects produced by the long-term average power spectrum. The present study examined contrast effects based on spectral ...
Rhea Christopher K CK Department of Kinesiology, University of North Carolina at Greensboro, Greensboro, NC, USA. Electronic address: - - 2014
The maintenance of upright stance requires the simultaneous control of posture in both the anterior-posterior (AP) and medial-lateral (ML) dimensions. Postural sway is typically measured by quantifying the movement of the center of pressure (CoP) in the AP and ML dimensions independently. Metrics such as path length and 95% ellipse ...
Blinova Ilona I Polar-Alpine Botanical Garden-Institute, 184230, Kirovsk, Murmansk Region, Russia, - - 2014
Anomalies in the timing of the thermal growing season have become obvious in the NE part of Fennoscandia since 2000. They are in accordance with climatic changes reported for Europe and Fennoscandia. The actual length of the growing season reached 120 days on average, onset on 30 May and ending on ...
Freitas Sandro R SR Fac Motricidade Humana, Universidade de Lisboa, CIPER, Lisbon, - - 2014
Information regarding the effects of stretching intensity on the joint torque-angle response is scarce. The present study examined the effects of three static stretching protocols with different intensities and durations on the passive knee extension torque-angle response of seventeen male participants (age ± SD: 23·9 ± 3·6 years, height: 177·0 ± 7·2 cm, BMI: 22·47 ± 1·95 kg·m(2) ). The stretching ...
Laplante-Lévesque Ariane A 1Department of Behavioural Sciences and Learning, Swedish Institute for Disability Research, Linköping University, Linköping, Sweden; 2Eriksholm Research Centre, Oticon A/S, Snekkersten, Denmark; 3Department of Logopedics, Phoniatrics and Audiology, Lund University, Lund, Sweden; and 4Department of Clinical Neuroscience, Karolinska Institute, Stockholm, - - 2014
Hearing screening has been proposed to promote help-seeking and rehabilitation in adults with hearing impairment. However, some longitudinal studies point to low help-seeking and subsequent rehabilitation after a failed hearing screening (positive screening result). Some barriers to help-seeking and rehabilitation could be intrinsic to the profiles and needs of people ...
Zhou Tao T Department of Kinesiology, Rec.Hall-267, The Pennsylvania State University, University Park, PA, 16802, - - 2014
We tested several predictions of a recent theory that combines the ideas of control with referent configurations, hierarchical control, and the uncontrolled manifold (UCM) hypothesis. In particular, we tested a hypothesis that unintentional changes in hand coordinate can happen following a long-lasting transient perturbation. The subjects grasped a handle with ...
Rojas Bibiana B Centre of Excellence in Biological Interactions, Department of Biological and Environmental Science, University of Jyväskylä, PO Box 35, FI-40014, Finland. Electronic address: - - 2014
The striking colour-pattern variation of some aposematic species is paradoxical because selection by predators is expected to favour signal uniformity. Although the mechanisms allowing for the maintenance of such variation are not well understood, possible explanations include both non-adaptive processes like drift and gene flow; and adaptive processes, such as ...
1 2 3 4 5 6 7 8 9 10 >